Stacker



FIG. 1 is a perspective view showing the front, left and top side of the stacker, showing my preferred design;

FIG. 2 is a top plan view of the design of the stacker shown in FIG. 1;

FIG. 3 is a bottom plan view of the design of the stacker in FIG. 1;

FIG. 4 is a right side elevational view of the design of the stacker shown in FIG. 1; wherein the left side (not shown) is a mirror image of the right side elevational view shown in FIG. 4; and

FIG. 5 is a perspective view showing the front, left and top side of a second embodiment of the stacker;

FIG. 6 is a front elevational view of the design of the stacker in FIG. 5; and

FIG. 7 is a rear elevational view of the design of the stacker shown in FIG. 5; wherein the left side (not shown) is a mirror image of the rear elevational view shown in FIG. 7;

FIG. 8 is a top plan view of the design of the stacker shown in FIG. 5;

FIG. 9 is a bottom plan view of the design of the stacker shown in FIG. 5; and,

FIG. 10 is a right side elevational view of the design of the stacker shown in FIG. 5. 

The ornamental design for a stacker, as shown and described. 